Exothermic and Endothermic

What term is given to a reaction which transfers heat energy to the surroundings?

• Endothermic

• Reversible

• Exothermic

• Exotermic

if more heat energy is released in making bonds in the products than is taken in when breaking bonds in the reactants

• Exothermic

• Endothermic

• Exotermic

• Endotermic

What type of chemical reaction absorbs energy and requires energy for the reaction to occur?

• Endothermic

• Exotermic

• Exothermic

• Endotermic

Exothermic reactions...

• Absorb energy
• Release energy
• Release Color
• Absorb Color

In an endothermic reaction, heat is ...

• taken in or absorbed
• given out or released 

____ reactions usually feel cold.

• endothermic

• exothermic

Which of the following are examples of an Exothermic Reaction?

• Cooking an egg

• Plants making sugar through photosynthesis

• Dynamite exploding

When iron nails get rusty, heat is released.  What process is this?

• Exothermic
• Endothermic

Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?

• It is an exothermic reaction
• It is an endothermic reaction
• It is made of ice
• It is dissolving your mouth

After you mix two substances together, a new substance forms.  This is an example of:
 

•  Physical Change
•  Chemical Change